| Literature DB >> 9363537 |
L S Balluz, R M Philen, C M Sewell, R E Voorhees, K H Falter, D Paschal.
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Year: 1997 PMID: 9363537 DOI: 10.1093/ije/26.5.1131
Source DB: PubMed Journal: Int J Epidemiol ISSN: 0300-5771 Impact factor: 7.196